1 //=- HexagonInstrInfo.cpp - Hexagon Instruction Information -------*- C++ -*-=//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file contains the Hexagon implementation of the TargetInstrInfo class.
12 //===----------------------------------------------------------------------===//
14 #include "HexagonRegisterInfo.h"
15 #include "HexagonInstrInfo.h"
16 #include "HexagonSubtarget.h"
18 #include "llvm/Support/MathExtras.h"
19 #include "llvm/ADT/STLExtras.h"
20 #include "llvm/ADT/SmallVector.h"
21 #include "llvm/CodeGen/MachineInstrBuilder.h"
22 #include "llvm/CodeGen/MachineRegisterInfo.h"
23 #include "llvm/CodeGen/MachineFrameInfo.h"
24 #include "llvm/CodeGen/MachineMemOperand.h"
25 #include "llvm/CodeGen/PseudoSourceValue.h"
26 #define GET_INSTRINFO_MC_DESC
27 #define GET_INSTRINFO_CTOR
28 #include "HexagonGenInstrInfo.inc"
36 /// Constants for Hexagon instructions.
38 const int Hexagon_MEMW_OFFSET_MAX = 4095;
39 const int Hexagon_MEMW_OFFSET_MIN = 4096;
40 const int Hexagon_MEMD_OFFSET_MAX = 8191;
41 const int Hexagon_MEMD_OFFSET_MIN = 8192;
42 const int Hexagon_MEMH_OFFSET_MAX = 2047;
43 const int Hexagon_MEMH_OFFSET_MIN = 2048;
44 const int Hexagon_MEMB_OFFSET_MAX = 1023;
45 const int Hexagon_MEMB_OFFSET_MIN = 1024;
46 const int Hexagon_ADDI_OFFSET_MAX = 32767;
47 const int Hexagon_ADDI_OFFSET_MIN = 32768;
48 const int Hexagon_MEMD_AUTOINC_MAX = 56;
49 const int Hexagon_MEMD_AUTOINC_MIN = 64;
50 const int Hexagon_MEMW_AUTOINC_MAX = 28;
51 const int Hexagon_MEMW_AUTOINC_MIN = 32;
52 const int Hexagon_MEMH_AUTOINC_MAX = 14;
53 const int Hexagon_MEMH_AUTOINC_MIN = 16;
54 const int Hexagon_MEMB_AUTOINC_MAX = 7;
55 const int Hexagon_MEMB_AUTOINC_MIN = 8;
59 HexagonInstrInfo::HexagonInstrInfo(HexagonSubtarget &ST)
60 : HexagonGenInstrInfo(Hexagon::ADJCALLSTACKDOWN, Hexagon::ADJCALLSTACKUP),
61 RI(ST, *this), Subtarget(ST) {
65 /// isLoadFromStackSlot - If the specified machine instruction is a direct
66 /// load from a stack slot, return the virtual or physical register number of
67 /// the destination along with the FrameIndex of the loaded stack slot. If
68 /// not, return 0. This predicate must return 0 if the instruction has
69 /// any side effects other than loading from the stack slot.
70 unsigned HexagonInstrInfo::isLoadFromStackSlot(const MachineInstr *MI,
71 int &FrameIndex) const {
74 switch (MI->getOpcode()) {
80 if (MI->getOperand(2).isFI() &&
81 MI->getOperand(1).isImm() && (MI->getOperand(1).getImm() == 0)) {
82 FrameIndex = MI->getOperand(2).getIndex();
83 return MI->getOperand(0).getReg();
95 /// isStoreToStackSlot - If the specified machine instruction is a direct
96 /// store to a stack slot, return the virtual or physical register number of
97 /// the source reg along with the FrameIndex of the loaded stack slot. If
98 /// not, return 0. This predicate must return 0 if the instruction has
99 /// any side effects other than storing to the stack slot.
100 unsigned HexagonInstrInfo::isStoreToStackSlot(const MachineInstr *MI,
101 int &FrameIndex) const {
102 switch (MI->getOpcode()) {
107 if (MI->getOperand(2).isFI() &&
108 MI->getOperand(1).isImm() && (MI->getOperand(1).getImm() == 0)) {
109 FrameIndex = MI->getOperand(2).getIndex();
110 return MI->getOperand(0).getReg();
123 HexagonInstrInfo::InsertBranch(MachineBasicBlock &MBB,MachineBasicBlock *TBB,
124 MachineBasicBlock *FBB,
125 const SmallVectorImpl<MachineOperand> &Cond,
128 int BOpc = Hexagon::JMP;
129 int BccOpc = Hexagon::JMP_Pred;
131 assert(TBB && "InsertBranch must not be told to insert a fallthrough");
134 // Check if ReverseBranchCondition has asked to reverse this branch
135 // If we want to reverse the branch an odd number of times, we want
137 if (!Cond.empty() && Cond[0].isImm() && Cond[0].getImm() == 0) {
138 BccOpc = Hexagon::JMP_PredNot;
144 // Due to a bug in TailMerging/CFG Optimization, we need to add a
145 // special case handling of a predicated jump followed by an
146 // unconditional jump. If not, Tail Merging and CFG Optimization go
147 // into an infinite loop.
148 MachineBasicBlock *NewTBB, *NewFBB;
149 SmallVector<MachineOperand, 4> Cond;
150 MachineInstr *Term = MBB.getFirstTerminator();
151 if (isPredicated(Term) && !AnalyzeBranch(MBB, NewTBB, NewFBB, Cond,
153 MachineBasicBlock *NextBB =
154 llvm::next(MachineFunction::iterator(&MBB));
155 if (NewTBB == NextBB) {
156 ReverseBranchCondition(Cond);
158 return InsertBranch(MBB, TBB, 0, Cond, DL);
161 BuildMI(&MBB, DL, get(BOpc)).addMBB(TBB);
164 get(BccOpc)).addReg(Cond[regPos].getReg()).addMBB(TBB);
169 BuildMI(&MBB, DL, get(BccOpc)).addReg(Cond[regPos].getReg()).addMBB(TBB);
170 BuildMI(&MBB, DL, get(BOpc)).addMBB(FBB);
176 bool HexagonInstrInfo::AnalyzeBranch(MachineBasicBlock &MBB,
177 MachineBasicBlock *&TBB,
178 MachineBasicBlock *&FBB,
179 SmallVectorImpl<MachineOperand> &Cond,
180 bool AllowModify) const {
183 // If the block has no terminators, it just falls into the block after it.
184 MachineBasicBlock::iterator I = MBB.end();
185 if (I == MBB.begin())
188 // A basic block may looks like this:
198 // It has two succs but does not have a terminator
199 // Don't know how to handle it.
204 } while (I != MBB.begin());
209 while (I->isDebugValue()) {
210 if (I == MBB.begin())
214 if (!isUnpredicatedTerminator(I))
217 // Get the last instruction in the block.
218 MachineInstr *LastInst = I;
220 // If there is only one terminator instruction, process it.
221 if (I == MBB.begin() || !isUnpredicatedTerminator(--I)) {
222 if (LastInst->getOpcode() == Hexagon::JMP) {
223 TBB = LastInst->getOperand(0).getMBB();
226 if (LastInst->getOpcode() == Hexagon::JMP_Pred) {
227 // Block ends with fall-through true condbranch.
228 TBB = LastInst->getOperand(1).getMBB();
229 Cond.push_back(LastInst->getOperand(0));
232 if (LastInst->getOpcode() == Hexagon::JMP_PredNot) {
233 // Block ends with fall-through false condbranch.
234 TBB = LastInst->getOperand(1).getMBB();
235 Cond.push_back(MachineOperand::CreateImm(0));
236 Cond.push_back(LastInst->getOperand(0));
239 // Otherwise, don't know what this is.
243 // Get the instruction before it if it's a terminator.
244 MachineInstr *SecondLastInst = I;
246 // If there are three terminators, we don't know what sort of block this is.
247 if (SecondLastInst && I != MBB.begin() &&
248 isUnpredicatedTerminator(--I))
251 // If the block ends with Hexagon::BRCOND and Hexagon:JMP, handle it.
252 if (((SecondLastInst->getOpcode() == Hexagon::BRCOND) ||
253 (SecondLastInst->getOpcode() == Hexagon::JMP_Pred)) &&
254 LastInst->getOpcode() == Hexagon::JMP) {
255 TBB = SecondLastInst->getOperand(1).getMBB();
256 Cond.push_back(SecondLastInst->getOperand(0));
257 FBB = LastInst->getOperand(0).getMBB();
261 // If the block ends with Hexagon::JMP_PredNot and Hexagon:JMP, handle it.
262 if ((SecondLastInst->getOpcode() == Hexagon::JMP_PredNot) &&
263 LastInst->getOpcode() == Hexagon::JMP) {
264 TBB = SecondLastInst->getOperand(1).getMBB();
265 Cond.push_back(MachineOperand::CreateImm(0));
266 Cond.push_back(SecondLastInst->getOperand(0));
267 FBB = LastInst->getOperand(0).getMBB();
271 // If the block ends with two Hexagon:JMPs, handle it. The second one is not
272 // executed, so remove it.
273 if (SecondLastInst->getOpcode() == Hexagon::JMP &&
274 LastInst->getOpcode() == Hexagon::JMP) {
275 TBB = SecondLastInst->getOperand(0).getMBB();
278 I->eraseFromParent();
282 // Otherwise, can't handle this.
287 unsigned HexagonInstrInfo::RemoveBranch(MachineBasicBlock &MBB) const {
288 int BOpc = Hexagon::JMP;
289 int BccOpc = Hexagon::JMP_Pred;
290 int BccOpcNot = Hexagon::JMP_PredNot;
292 MachineBasicBlock::iterator I = MBB.end();
293 if (I == MBB.begin()) return 0;
295 if (I->getOpcode() != BOpc && I->getOpcode() != BccOpc &&
296 I->getOpcode() != BccOpcNot)
299 // Remove the branch.
300 I->eraseFromParent();
304 if (I == MBB.begin()) return 1;
306 if (I->getOpcode() != BccOpc && I->getOpcode() != BccOpcNot)
309 // Remove the branch.
310 I->eraseFromParent();
315 void HexagonInstrInfo::copyPhysReg(MachineBasicBlock &MBB,
316 MachineBasicBlock::iterator I, DebugLoc DL,
317 unsigned DestReg, unsigned SrcReg,
318 bool KillSrc) const {
319 if (Hexagon::IntRegsRegClass.contains(SrcReg, DestReg)) {
320 BuildMI(MBB, I, DL, get(Hexagon::TFR), DestReg).addReg(SrcReg);
323 if (Hexagon::DoubleRegsRegClass.contains(SrcReg, DestReg)) {
324 BuildMI(MBB, I, DL, get(Hexagon::TFR_64), DestReg).addReg(SrcReg);
327 if (Hexagon::PredRegsRegClass.contains(SrcReg, DestReg)) {
328 // Map Pd = Ps to Pd = or(Ps, Ps).
329 BuildMI(MBB, I, DL, get(Hexagon::OR_pp),
330 DestReg).addReg(SrcReg).addReg(SrcReg);
333 if (Hexagon::DoubleRegsRegClass.contains(DestReg, SrcReg)) {
334 // We can have an overlap between single and double reg: r1:0 = r0.
335 if(SrcReg == RI.getSubReg(DestReg, Hexagon::subreg_loreg)) {
337 BuildMI(MBB, I, DL, get(Hexagon::TFRI), (RI.getSubReg(DestReg,
338 Hexagon::subreg_hireg))).addImm(0);
340 // r1:0 = r1 or no overlap.
341 BuildMI(MBB, I, DL, get(Hexagon::TFR), (RI.getSubReg(DestReg,
342 Hexagon::subreg_loreg))).addReg(SrcReg);
343 BuildMI(MBB, I, DL, get(Hexagon::TFRI), (RI.getSubReg(DestReg,
344 Hexagon::subreg_hireg))).addImm(0);
348 if (Hexagon::CRRegsRegClass.contains(DestReg, SrcReg)) {
349 BuildMI(MBB, I, DL, get(Hexagon::TFCR), DestReg).addReg(SrcReg);
353 assert (0 && "Unimplemented");
357 void HexagonInstrInfo::
358 storeRegToStackSlot(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
359 unsigned SrcReg, bool isKill, int FI,
360 const TargetRegisterClass *RC,
361 const TargetRegisterInfo *TRI) const {
363 DebugLoc DL = MBB.findDebugLoc(I);
364 MachineFunction &MF = *MBB.getParent();
365 MachineFrameInfo &MFI = *MF.getFrameInfo();
366 unsigned Align = MFI.getObjectAlignment(FI);
368 MachineMemOperand *MMO =
369 MF.getMachineMemOperand(
370 MachinePointerInfo(PseudoSourceValue::getFixedStack(FI)),
371 MachineMemOperand::MOStore,
372 MFI.getObjectSize(FI),
375 if (Hexagon::IntRegsRegisterClass->hasSubClassEq(RC)) {
376 BuildMI(MBB, I, DL, get(Hexagon::STriw))
377 .addFrameIndex(FI).addImm(0)
378 .addReg(SrcReg, getKillRegState(isKill)).addMemOperand(MMO);
379 } else if (Hexagon::DoubleRegsRegisterClass->hasSubClassEq(RC)) {
380 BuildMI(MBB, I, DL, get(Hexagon::STrid))
381 .addFrameIndex(FI).addImm(0)
382 .addReg(SrcReg, getKillRegState(isKill)).addMemOperand(MMO);
383 } else if (Hexagon::PredRegsRegisterClass->hasSubClassEq(RC)) {
384 BuildMI(MBB, I, DL, get(Hexagon::STriw_pred))
385 .addFrameIndex(FI).addImm(0)
386 .addReg(SrcReg, getKillRegState(isKill)).addMemOperand(MMO);
388 assert(0 && "Unimplemented");
393 void HexagonInstrInfo::storeRegToAddr(
394 MachineFunction &MF, unsigned SrcReg,
396 SmallVectorImpl<MachineOperand> &Addr,
397 const TargetRegisterClass *RC,
398 SmallVectorImpl<MachineInstr*> &NewMIs) const
400 assert(0 && "Unimplemented");
405 void HexagonInstrInfo::
406 loadRegFromStackSlot(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
407 unsigned DestReg, int FI,
408 const TargetRegisterClass *RC,
409 const TargetRegisterInfo *TRI) const {
410 DebugLoc DL = MBB.findDebugLoc(I);
411 MachineFunction &MF = *MBB.getParent();
412 MachineFrameInfo &MFI = *MF.getFrameInfo();
413 unsigned Align = MFI.getObjectAlignment(FI);
415 MachineMemOperand *MMO =
416 MF.getMachineMemOperand(
417 MachinePointerInfo(PseudoSourceValue::getFixedStack(FI)),
418 MachineMemOperand::MOLoad,
419 MFI.getObjectSize(FI),
422 if (RC == Hexagon::IntRegsRegisterClass) {
423 BuildMI(MBB, I, DL, get(Hexagon::LDriw), DestReg)
424 .addFrameIndex(FI).addImm(0).addMemOperand(MMO);
425 } else if (RC == Hexagon::DoubleRegsRegisterClass) {
426 BuildMI(MBB, I, DL, get(Hexagon::LDrid), DestReg)
427 .addFrameIndex(FI).addImm(0).addMemOperand(MMO);
428 } else if (RC == Hexagon::PredRegsRegisterClass) {
429 BuildMI(MBB, I, DL, get(Hexagon::LDriw_pred), DestReg)
430 .addFrameIndex(FI).addImm(0).addMemOperand(MMO);
432 assert(0 && "Can't store this register to stack slot");
437 void HexagonInstrInfo::loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
438 SmallVectorImpl<MachineOperand> &Addr,
439 const TargetRegisterClass *RC,
440 SmallVectorImpl<MachineInstr*> &NewMIs) const {
441 assert(0 && "Unimplemented");
445 MachineInstr *HexagonInstrInfo::foldMemoryOperandImpl(MachineFunction &MF,
447 const SmallVectorImpl<unsigned> &Ops,
449 // Hexagon_TODO: Implement.
454 unsigned HexagonInstrInfo::createVR(MachineFunction* MF, MVT VT) const {
456 MachineRegisterInfo &RegInfo = MF->getRegInfo();
457 const TargetRegisterClass *TRC;
459 TRC = Hexagon::PredRegsRegisterClass;
460 } else if (VT == MVT::i32) {
461 TRC = Hexagon::IntRegsRegisterClass;
462 } else if (VT == MVT::i64) {
463 TRC = Hexagon::DoubleRegsRegisterClass;
465 assert(0 && "Cannot handle this register class");
468 unsigned NewReg = RegInfo.createVirtualRegister(TRC);
473 bool HexagonInstrInfo::isPredicable(MachineInstr *MI) const {
474 bool isPred = MI->getDesc().isPredicable();
479 const int Opc = MI->getOpcode();
483 return isInt<12>(MI->getOperand(1).getImm());
486 case Hexagon::STrid_indexed:
487 return isShiftedUInt<6,3>(MI->getOperand(1).getImm());
490 case Hexagon::STriw_indexed:
491 case Hexagon::STriw_nv_V4:
492 return isShiftedUInt<6,2>(MI->getOperand(1).getImm());
495 case Hexagon::STrih_indexed:
496 case Hexagon::STrih_nv_V4:
497 return isShiftedUInt<6,1>(MI->getOperand(1).getImm());
500 case Hexagon::STrib_indexed:
501 case Hexagon::STrib_nv_V4:
502 return isUInt<6>(MI->getOperand(1).getImm());
505 case Hexagon::LDrid_indexed:
506 return isShiftedUInt<6,3>(MI->getOperand(2).getImm());
509 case Hexagon::LDriw_indexed:
510 return isShiftedUInt<6,2>(MI->getOperand(2).getImm());
513 case Hexagon::LDriuh:
514 case Hexagon::LDrih_indexed:
515 case Hexagon::LDriuh_indexed:
516 return isShiftedUInt<6,1>(MI->getOperand(2).getImm());
519 case Hexagon::LDriub:
520 case Hexagon::LDrib_indexed:
521 case Hexagon::LDriub_indexed:
522 return isUInt<6>(MI->getOperand(2).getImm());
524 case Hexagon::POST_LDrid:
525 return isShiftedInt<4,3>(MI->getOperand(3).getImm());
527 case Hexagon::POST_LDriw:
528 return isShiftedInt<4,2>(MI->getOperand(3).getImm());
530 case Hexagon::POST_LDrih:
531 case Hexagon::POST_LDriuh:
532 return isShiftedInt<4,1>(MI->getOperand(3).getImm());
534 case Hexagon::POST_LDrib:
535 case Hexagon::POST_LDriub:
536 return isInt<4>(MI->getOperand(3).getImm());
538 case Hexagon::STrib_imm_V4:
539 case Hexagon::STrih_imm_V4:
540 case Hexagon::STriw_imm_V4:
541 return (isUInt<6>(MI->getOperand(1).getImm()) &&
542 isInt<6>(MI->getOperand(2).getImm()));
544 case Hexagon::ADD_ri:
545 return isInt<8>(MI->getOperand(2).getImm());
553 return Subtarget.getHexagonArchVersion() == HexagonSubtarget::V4;
567 int HexagonInstrInfo::
568 getMatchingCondBranchOpcode(int Opc, bool invertPredicate) const {
571 return !invertPredicate ? Hexagon::TFR_cPt :
574 return !invertPredicate ? Hexagon::TFRI_cPt :
575 Hexagon::TFRI_cNotPt;
577 return !invertPredicate ? Hexagon::JMP_Pred :
578 Hexagon::JMP_PredNot;
579 case Hexagon::ADD_ri:
580 return !invertPredicate ? Hexagon::ADD_ri_cPt :
581 Hexagon::ADD_ri_cNotPt;
582 case Hexagon::ADD_rr:
583 return !invertPredicate ? Hexagon::ADD_rr_cPt :
584 Hexagon::ADD_rr_cNotPt;
585 case Hexagon::XOR_rr:
586 return !invertPredicate ? Hexagon::XOR_rr_cPt :
587 Hexagon::XOR_rr_cNotPt;
588 case Hexagon::AND_rr:
589 return !invertPredicate ? Hexagon::AND_rr_cPt :
590 Hexagon::AND_rr_cNotPt;
592 return !invertPredicate ? Hexagon::OR_rr_cPt :
593 Hexagon::OR_rr_cNotPt;
594 case Hexagon::SUB_rr:
595 return !invertPredicate ? Hexagon::SUB_rr_cPt :
596 Hexagon::SUB_rr_cNotPt;
597 case Hexagon::COMBINE_rr:
598 return !invertPredicate ? Hexagon::COMBINE_rr_cPt :
599 Hexagon::COMBINE_rr_cNotPt;
601 return !invertPredicate ? Hexagon::ASLH_cPt_V4 :
602 Hexagon::ASLH_cNotPt_V4;
604 return !invertPredicate ? Hexagon::ASRH_cPt_V4 :
605 Hexagon::ASRH_cNotPt_V4;
607 return !invertPredicate ? Hexagon::SXTB_cPt_V4 :
608 Hexagon::SXTB_cNotPt_V4;
610 return !invertPredicate ? Hexagon::SXTH_cPt_V4 :
611 Hexagon::SXTH_cNotPt_V4;
613 return !invertPredicate ? Hexagon::ZXTB_cPt_V4 :
614 Hexagon::ZXTB_cNotPt_V4;
616 return !invertPredicate ? Hexagon::ZXTH_cPt_V4 :
617 Hexagon::ZXTH_cNotPt_V4;
620 return !invertPredicate ? Hexagon::JMPR_cPt :
621 Hexagon::JMPR_cNotPt;
623 // V4 indexed+scaled load.
624 case Hexagon::LDrid_indexed_V4:
625 return !invertPredicate ? Hexagon::LDrid_indexed_cPt_V4 :
626 Hexagon::LDrid_indexed_cNotPt_V4;
627 case Hexagon::LDrid_indexed_shl_V4:
628 return !invertPredicate ? Hexagon::LDrid_indexed_shl_cPt_V4 :
629 Hexagon::LDrid_indexed_shl_cNotPt_V4;
630 case Hexagon::LDrib_indexed_V4:
631 return !invertPredicate ? Hexagon::LDrib_indexed_cPt_V4 :
632 Hexagon::LDrib_indexed_cNotPt_V4;
633 case Hexagon::LDriub_indexed_V4:
634 return !invertPredicate ? Hexagon::LDriub_indexed_cPt_V4 :
635 Hexagon::LDriub_indexed_cNotPt_V4;
636 case Hexagon::LDriub_ae_indexed_V4:
637 return !invertPredicate ? Hexagon::LDriub_indexed_cPt_V4 :
638 Hexagon::LDriub_indexed_cNotPt_V4;
639 case Hexagon::LDrib_indexed_shl_V4:
640 return !invertPredicate ? Hexagon::LDrib_indexed_shl_cPt_V4 :
641 Hexagon::LDrib_indexed_shl_cNotPt_V4;
642 case Hexagon::LDriub_indexed_shl_V4:
643 return !invertPredicate ? Hexagon::LDriub_indexed_shl_cPt_V4 :
644 Hexagon::LDriub_indexed_shl_cNotPt_V4;
645 case Hexagon::LDriub_ae_indexed_shl_V4:
646 return !invertPredicate ? Hexagon::LDriub_indexed_shl_cPt_V4 :
647 Hexagon::LDriub_indexed_shl_cNotPt_V4;
648 case Hexagon::LDrih_indexed_V4:
649 return !invertPredicate ? Hexagon::LDrih_indexed_cPt_V4 :
650 Hexagon::LDrih_indexed_cNotPt_V4;
651 case Hexagon::LDriuh_indexed_V4:
652 return !invertPredicate ? Hexagon::LDriuh_indexed_cPt_V4 :
653 Hexagon::LDriuh_indexed_cNotPt_V4;
654 case Hexagon::LDriuh_ae_indexed_V4:
655 return !invertPredicate ? Hexagon::LDriuh_indexed_cPt_V4 :
656 Hexagon::LDriuh_indexed_cNotPt_V4;
657 case Hexagon::LDrih_indexed_shl_V4:
658 return !invertPredicate ? Hexagon::LDrih_indexed_shl_cPt_V4 :
659 Hexagon::LDrih_indexed_shl_cNotPt_V4;
660 case Hexagon::LDriuh_indexed_shl_V4:
661 return !invertPredicate ? Hexagon::LDriuh_indexed_shl_cPt_V4 :
662 Hexagon::LDriuh_indexed_shl_cNotPt_V4;
663 case Hexagon::LDriuh_ae_indexed_shl_V4:
664 return !invertPredicate ? Hexagon::LDriuh_indexed_shl_cPt_V4 :
665 Hexagon::LDriuh_indexed_shl_cNotPt_V4;
666 case Hexagon::LDriw_indexed_V4:
667 return !invertPredicate ? Hexagon::LDriw_indexed_cPt_V4 :
668 Hexagon::LDriw_indexed_cNotPt_V4;
669 case Hexagon::LDriw_indexed_shl_V4:
670 return !invertPredicate ? Hexagon::LDriw_indexed_shl_cPt_V4 :
671 Hexagon::LDriw_indexed_shl_cNotPt_V4;
673 case Hexagon::POST_STbri:
674 return !invertPredicate ? Hexagon::POST_STbri_cPt :
675 Hexagon::POST_STbri_cNotPt;
677 return !invertPredicate ? Hexagon::STrib_cPt :
678 Hexagon::STrib_cNotPt;
679 case Hexagon::STrib_indexed:
680 return !invertPredicate ? Hexagon::STrib_indexed_cPt :
681 Hexagon::STrib_indexed_cNotPt;
682 case Hexagon::STrib_imm_V4:
683 return !invertPredicate ? Hexagon::STrib_imm_cPt_V4 :
684 Hexagon::STrib_imm_cNotPt_V4;
685 case Hexagon::STrib_indexed_shl_V4:
686 return !invertPredicate ? Hexagon::STrib_indexed_shl_cPt_V4 :
687 Hexagon::STrib_indexed_shl_cNotPt_V4;
689 case Hexagon::POST_SThri:
690 return !invertPredicate ? Hexagon::POST_SThri_cPt :
691 Hexagon::POST_SThri_cNotPt;
693 return !invertPredicate ? Hexagon::STrih_cPt :
694 Hexagon::STrih_cNotPt;
695 case Hexagon::STrih_indexed:
696 return !invertPredicate ? Hexagon::STrih_indexed_cPt :
697 Hexagon::STrih_indexed_cNotPt;
698 case Hexagon::STrih_imm_V4:
699 return !invertPredicate ? Hexagon::STrih_imm_cPt_V4 :
700 Hexagon::STrih_imm_cNotPt_V4;
701 case Hexagon::STrih_indexed_shl_V4:
702 return !invertPredicate ? Hexagon::STrih_indexed_shl_cPt_V4 :
703 Hexagon::STrih_indexed_shl_cNotPt_V4;
705 case Hexagon::POST_STwri:
706 return !invertPredicate ? Hexagon::POST_STwri_cPt :
707 Hexagon::POST_STwri_cNotPt;
709 return !invertPredicate ? Hexagon::STriw_cPt :
710 Hexagon::STriw_cNotPt;
711 case Hexagon::STriw_indexed:
712 return !invertPredicate ? Hexagon::STriw_indexed_cPt :
713 Hexagon::STriw_indexed_cNotPt;
714 case Hexagon::STriw_indexed_shl_V4:
715 return !invertPredicate ? Hexagon::STriw_indexed_shl_cPt_V4 :
716 Hexagon::STriw_indexed_shl_cNotPt_V4;
717 case Hexagon::STriw_imm_V4:
718 return !invertPredicate ? Hexagon::STriw_imm_cPt_V4 :
719 Hexagon::STriw_imm_cNotPt_V4;
721 case Hexagon::POST_STdri:
722 return !invertPredicate ? Hexagon::POST_STdri_cPt :
723 Hexagon::POST_STdri_cNotPt;
725 return !invertPredicate ? Hexagon::STrid_cPt :
726 Hexagon::STrid_cNotPt;
727 case Hexagon::STrid_indexed:
728 return !invertPredicate ? Hexagon::STrid_indexed_cPt :
729 Hexagon::STrid_indexed_cNotPt;
730 case Hexagon::STrid_indexed_shl_V4:
731 return !invertPredicate ? Hexagon::STrid_indexed_shl_cPt_V4 :
732 Hexagon::STrid_indexed_shl_cNotPt_V4;
735 return !invertPredicate ? Hexagon::LDrid_cPt :
736 Hexagon::LDrid_cNotPt;
738 return !invertPredicate ? Hexagon::LDriw_cPt :
739 Hexagon::LDriw_cNotPt;
741 return !invertPredicate ? Hexagon::LDrih_cPt :
742 Hexagon::LDrih_cNotPt;
743 case Hexagon::LDriuh:
744 return !invertPredicate ? Hexagon::LDriuh_cPt :
745 Hexagon::LDriuh_cNotPt;
747 return !invertPredicate ? Hexagon::LDrib_cPt :
748 Hexagon::LDrib_cNotPt;
749 case Hexagon::LDriub:
750 return !invertPredicate ? Hexagon::LDriub_cPt :
751 Hexagon::LDriub_cNotPt;
752 case Hexagon::LDriubit:
753 return !invertPredicate ? Hexagon::LDriub_cPt :
754 Hexagon::LDriub_cNotPt;
756 case Hexagon::LDrid_indexed:
757 return !invertPredicate ? Hexagon::LDrid_indexed_cPt :
758 Hexagon::LDrid_indexed_cNotPt;
759 case Hexagon::LDriw_indexed:
760 return !invertPredicate ? Hexagon::LDriw_indexed_cPt :
761 Hexagon::LDriw_indexed_cNotPt;
762 case Hexagon::LDrih_indexed:
763 return !invertPredicate ? Hexagon::LDrih_indexed_cPt :
764 Hexagon::LDrih_indexed_cNotPt;
765 case Hexagon::LDriuh_indexed:
766 return !invertPredicate ? Hexagon::LDriuh_indexed_cPt :
767 Hexagon::LDriuh_indexed_cNotPt;
768 case Hexagon::LDrib_indexed:
769 return !invertPredicate ? Hexagon::LDrib_indexed_cPt :
770 Hexagon::LDrib_indexed_cNotPt;
771 case Hexagon::LDriub_indexed:
772 return !invertPredicate ? Hexagon::LDriub_indexed_cPt :
773 Hexagon::LDriub_indexed_cNotPt;
774 // Post Increment Load.
775 case Hexagon::POST_LDrid:
776 return !invertPredicate ? Hexagon::POST_LDrid_cPt :
777 Hexagon::POST_LDrid_cNotPt;
778 case Hexagon::POST_LDriw:
779 return !invertPredicate ? Hexagon::POST_LDriw_cPt :
780 Hexagon::POST_LDriw_cNotPt;
781 case Hexagon::POST_LDrih:
782 return !invertPredicate ? Hexagon::POST_LDrih_cPt :
783 Hexagon::POST_LDrih_cNotPt;
784 case Hexagon::POST_LDriuh:
785 return !invertPredicate ? Hexagon::POST_LDriuh_cPt :
786 Hexagon::POST_LDriuh_cNotPt;
787 case Hexagon::POST_LDrib:
788 return !invertPredicate ? Hexagon::POST_LDrib_cPt :
789 Hexagon::POST_LDrib_cNotPt;
790 case Hexagon::POST_LDriub:
791 return !invertPredicate ? Hexagon::POST_LDriub_cPt :
792 Hexagon::POST_LDriub_cNotPt;
794 case Hexagon::DEALLOC_RET_V4:
795 return !invertPredicate ? Hexagon::DEALLOC_RET_cPt_V4 :
796 Hexagon::DEALLOC_RET_cNotPt_V4;
798 assert(false && "Unexpected predicable instruction");
803 bool HexagonInstrInfo::
804 PredicateInstruction(MachineInstr *MI,
805 const SmallVectorImpl<MachineOperand> &Cond) const {
806 int Opc = MI->getOpcode();
807 assert (isPredicable(MI) && "Expected predicable instruction");
808 bool invertJump = (!Cond.empty() && Cond[0].isImm() &&
809 (Cond[0].getImm() == 0));
810 MI->setDesc(get(getMatchingCondBranchOpcode(Opc, invertJump)));
812 // This assumes that the predicate is always the first operand
813 // in the set of inputs.
815 MI->addOperand(MI->getOperand(MI->getNumOperands()-1));
817 for (oper = MI->getNumOperands() - 3; oper >= 0; --oper) {
818 MachineOperand MO = MI->getOperand(oper);
819 if ((MO.isReg() && !MO.isUse() && !MO.isImplicit())) {
824 MI->getOperand(oper+1).ChangeToRegister(MO.getReg(), MO.isDef(),
825 MO.isImplicit(), MO.isKill(),
826 MO.isDead(), MO.isUndef(),
828 } else if (MO.isImm()) {
829 MI->getOperand(oper+1).ChangeToImmediate(MO.getImm());
831 assert(false && "Unexpected operand type");
835 int regPos = invertJump ? 1 : 0;
836 MachineOperand PredMO = Cond[regPos];
837 MI->getOperand(oper+1).ChangeToRegister(PredMO.getReg(), PredMO.isDef(),
838 PredMO.isImplicit(), PredMO.isKill(),
839 PredMO.isDead(), PredMO.isUndef(),
848 isProfitableToIfCvt(MachineBasicBlock &MBB,
850 unsigned ExtraPredCycles,
851 const BranchProbability &Probability) const {
858 isProfitableToIfCvt(MachineBasicBlock &TMBB,
860 unsigned ExtraTCycles,
861 MachineBasicBlock &FMBB,
863 unsigned ExtraFCycles,
864 const BranchProbability &Probability) const {
869 bool HexagonInstrInfo::isPredicated(const MachineInstr *MI) const {
870 switch (MI->getOpcode()) {
871 case Hexagon::TFR_cPt:
872 case Hexagon::TFR_cNotPt:
873 case Hexagon::TFRI_cPt:
874 case Hexagon::TFRI_cNotPt:
875 case Hexagon::TFR_cdnPt:
876 case Hexagon::TFR_cdnNotPt:
877 case Hexagon::TFRI_cdnPt:
878 case Hexagon::TFRI_cdnNotPt:
881 case Hexagon::JMP_Pred:
882 case Hexagon::JMP_PredNot:
883 case Hexagon::BRCOND:
884 case Hexagon::JMP_PredPt:
885 case Hexagon::JMP_PredNotPt:
886 case Hexagon::JMP_PredPnt:
887 case Hexagon::JMP_PredNotPnt:
890 case Hexagon::LDrid_indexed_cPt_V4 :
891 case Hexagon::LDrid_indexed_cdnPt_V4 :
892 case Hexagon::LDrid_indexed_cNotPt_V4 :
893 case Hexagon::LDrid_indexed_cdnNotPt_V4 :
894 case Hexagon::LDrid_indexed_shl_cPt_V4 :
895 case Hexagon::LDrid_indexed_shl_cdnPt_V4 :
896 case Hexagon::LDrid_indexed_shl_cNotPt_V4 :
897 case Hexagon::LDrid_indexed_shl_cdnNotPt_V4 :
898 case Hexagon::LDrib_indexed_cPt_V4 :
899 case Hexagon::LDrib_indexed_cdnPt_V4 :
900 case Hexagon::LDrib_indexed_cNotPt_V4 :
901 case Hexagon::LDrib_indexed_cdnNotPt_V4 :
902 case Hexagon::LDrib_indexed_shl_cPt_V4 :
903 case Hexagon::LDrib_indexed_shl_cdnPt_V4 :
904 case Hexagon::LDrib_indexed_shl_cNotPt_V4 :
905 case Hexagon::LDrib_indexed_shl_cdnNotPt_V4 :
906 case Hexagon::LDriub_indexed_cPt_V4 :
907 case Hexagon::LDriub_indexed_cdnPt_V4 :
908 case Hexagon::LDriub_indexed_cNotPt_V4 :
909 case Hexagon::LDriub_indexed_cdnNotPt_V4 :
910 case Hexagon::LDriub_indexed_shl_cPt_V4 :
911 case Hexagon::LDriub_indexed_shl_cdnPt_V4 :
912 case Hexagon::LDriub_indexed_shl_cNotPt_V4 :
913 case Hexagon::LDriub_indexed_shl_cdnNotPt_V4 :
914 case Hexagon::LDrih_indexed_cPt_V4 :
915 case Hexagon::LDrih_indexed_cdnPt_V4 :
916 case Hexagon::LDrih_indexed_cNotPt_V4 :
917 case Hexagon::LDrih_indexed_cdnNotPt_V4 :
918 case Hexagon::LDrih_indexed_shl_cPt_V4 :
919 case Hexagon::LDrih_indexed_shl_cdnPt_V4 :
920 case Hexagon::LDrih_indexed_shl_cNotPt_V4 :
921 case Hexagon::LDrih_indexed_shl_cdnNotPt_V4 :
922 case Hexagon::LDriuh_indexed_cPt_V4 :
923 case Hexagon::LDriuh_indexed_cdnPt_V4 :
924 case Hexagon::LDriuh_indexed_cNotPt_V4 :
925 case Hexagon::LDriuh_indexed_cdnNotPt_V4 :
926 case Hexagon::LDriuh_indexed_shl_cPt_V4 :
927 case Hexagon::LDriuh_indexed_shl_cdnPt_V4 :
928 case Hexagon::LDriuh_indexed_shl_cNotPt_V4 :
929 case Hexagon::LDriuh_indexed_shl_cdnNotPt_V4 :
930 case Hexagon::LDriw_indexed_cPt_V4 :
931 case Hexagon::LDriw_indexed_cdnPt_V4 :
932 case Hexagon::LDriw_indexed_cNotPt_V4 :
933 case Hexagon::LDriw_indexed_cdnNotPt_V4 :
934 case Hexagon::LDriw_indexed_shl_cPt_V4 :
935 case Hexagon::LDriw_indexed_shl_cdnPt_V4 :
936 case Hexagon::LDriw_indexed_shl_cNotPt_V4 :
937 case Hexagon::LDriw_indexed_shl_cdnNotPt_V4 :
940 case Hexagon::LDrid_cPt :
941 case Hexagon::LDrid_cNotPt :
942 case Hexagon::LDrid_indexed_cPt :
943 case Hexagon::LDrid_indexed_cNotPt :
944 case Hexagon::POST_LDrid_cPt :
945 case Hexagon::POST_LDrid_cNotPt :
946 case Hexagon::LDriw_cPt :
947 case Hexagon::LDriw_cNotPt :
948 case Hexagon::LDriw_indexed_cPt :
949 case Hexagon::LDriw_indexed_cNotPt :
950 case Hexagon::POST_LDriw_cPt :
951 case Hexagon::POST_LDriw_cNotPt :
952 case Hexagon::LDrih_cPt :
953 case Hexagon::LDrih_cNotPt :
954 case Hexagon::LDrih_indexed_cPt :
955 case Hexagon::LDrih_indexed_cNotPt :
956 case Hexagon::POST_LDrih_cPt :
957 case Hexagon::POST_LDrih_cNotPt :
958 case Hexagon::LDrib_cPt :
959 case Hexagon::LDrib_cNotPt :
960 case Hexagon::LDrib_indexed_cPt :
961 case Hexagon::LDrib_indexed_cNotPt :
962 case Hexagon::POST_LDrib_cPt :
963 case Hexagon::POST_LDrib_cNotPt :
964 case Hexagon::LDriuh_cPt :
965 case Hexagon::LDriuh_cNotPt :
966 case Hexagon::LDriuh_indexed_cPt :
967 case Hexagon::LDriuh_indexed_cNotPt :
968 case Hexagon::POST_LDriuh_cPt :
969 case Hexagon::POST_LDriuh_cNotPt :
970 case Hexagon::LDriub_cPt :
971 case Hexagon::LDriub_cNotPt :
972 case Hexagon::LDriub_indexed_cPt :
973 case Hexagon::LDriub_indexed_cNotPt :
974 case Hexagon::POST_LDriub_cPt :
975 case Hexagon::POST_LDriub_cNotPt :
978 case Hexagon::LDrid_cdnPt :
979 case Hexagon::LDrid_cdnNotPt :
980 case Hexagon::LDrid_indexed_cdnPt :
981 case Hexagon::LDrid_indexed_cdnNotPt :
982 case Hexagon::POST_LDrid_cdnPt_V4 :
983 case Hexagon::POST_LDrid_cdnNotPt_V4 :
984 case Hexagon::LDriw_cdnPt :
985 case Hexagon::LDriw_cdnNotPt :
986 case Hexagon::LDriw_indexed_cdnPt :
987 case Hexagon::LDriw_indexed_cdnNotPt :
988 case Hexagon::POST_LDriw_cdnPt_V4 :
989 case Hexagon::POST_LDriw_cdnNotPt_V4 :
990 case Hexagon::LDrih_cdnPt :
991 case Hexagon::LDrih_cdnNotPt :
992 case Hexagon::LDrih_indexed_cdnPt :
993 case Hexagon::LDrih_indexed_cdnNotPt :
994 case Hexagon::POST_LDrih_cdnPt_V4 :
995 case Hexagon::POST_LDrih_cdnNotPt_V4 :
996 case Hexagon::LDrib_cdnPt :
997 case Hexagon::LDrib_cdnNotPt :
998 case Hexagon::LDrib_indexed_cdnPt :
999 case Hexagon::LDrib_indexed_cdnNotPt :
1000 case Hexagon::POST_LDrib_cdnPt_V4 :
1001 case Hexagon::POST_LDrib_cdnNotPt_V4 :
1002 case Hexagon::LDriuh_cdnPt :
1003 case Hexagon::LDriuh_cdnNotPt :
1004 case Hexagon::LDriuh_indexed_cdnPt :
1005 case Hexagon::LDriuh_indexed_cdnNotPt :
1006 case Hexagon::POST_LDriuh_cdnPt_V4 :
1007 case Hexagon::POST_LDriuh_cdnNotPt_V4 :
1008 case Hexagon::LDriub_cdnPt :
1009 case Hexagon::LDriub_cdnNotPt :
1010 case Hexagon::LDriub_indexed_cdnPt :
1011 case Hexagon::LDriub_indexed_cdnNotPt :
1012 case Hexagon::POST_LDriub_cdnPt_V4 :
1013 case Hexagon::POST_LDriub_cdnNotPt_V4 :
1016 case Hexagon::ADD_ri_cPt:
1017 case Hexagon::ADD_ri_cNotPt:
1018 case Hexagon::ADD_ri_cdnPt:
1019 case Hexagon::ADD_ri_cdnNotPt:
1020 case Hexagon::ADD_rr_cPt:
1021 case Hexagon::ADD_rr_cNotPt:
1022 case Hexagon::ADD_rr_cdnPt:
1023 case Hexagon::ADD_rr_cdnNotPt:
1024 case Hexagon::XOR_rr_cPt:
1025 case Hexagon::XOR_rr_cNotPt:
1026 case Hexagon::XOR_rr_cdnPt:
1027 case Hexagon::XOR_rr_cdnNotPt:
1028 case Hexagon::AND_rr_cPt:
1029 case Hexagon::AND_rr_cNotPt:
1030 case Hexagon::AND_rr_cdnPt:
1031 case Hexagon::AND_rr_cdnNotPt:
1032 case Hexagon::OR_rr_cPt:
1033 case Hexagon::OR_rr_cNotPt:
1034 case Hexagon::OR_rr_cdnPt:
1035 case Hexagon::OR_rr_cdnNotPt:
1036 case Hexagon::SUB_rr_cPt:
1037 case Hexagon::SUB_rr_cNotPt:
1038 case Hexagon::SUB_rr_cdnPt:
1039 case Hexagon::SUB_rr_cdnNotPt:
1040 case Hexagon::COMBINE_rr_cPt:
1041 case Hexagon::COMBINE_rr_cNotPt:
1042 case Hexagon::COMBINE_rr_cdnPt:
1043 case Hexagon::COMBINE_rr_cdnNotPt:
1046 case Hexagon::ASLH_cPt_V4:
1047 case Hexagon::ASLH_cNotPt_V4:
1048 case Hexagon::ASRH_cPt_V4:
1049 case Hexagon::ASRH_cNotPt_V4:
1050 case Hexagon::SXTB_cPt_V4:
1051 case Hexagon::SXTB_cNotPt_V4:
1052 case Hexagon::SXTH_cPt_V4:
1053 case Hexagon::SXTH_cNotPt_V4:
1054 case Hexagon::ZXTB_cPt_V4:
1055 case Hexagon::ZXTB_cNotPt_V4:
1056 case Hexagon::ZXTH_cPt_V4:
1057 case Hexagon::ZXTH_cNotPt_V4:
1060 case Hexagon::ASLH_cdnPt_V4:
1061 case Hexagon::ASLH_cdnNotPt_V4:
1062 case Hexagon::ASRH_cdnPt_V4:
1063 case Hexagon::ASRH_cdnNotPt_V4:
1064 case Hexagon::SXTB_cdnPt_V4:
1065 case Hexagon::SXTB_cdnNotPt_V4:
1066 case Hexagon::SXTH_cdnPt_V4:
1067 case Hexagon::SXTH_cdnNotPt_V4:
1068 case Hexagon::ZXTB_cdnPt_V4:
1069 case Hexagon::ZXTB_cdnNotPt_V4:
1070 case Hexagon::ZXTH_cdnPt_V4:
1071 case Hexagon::ZXTH_cdnNotPt_V4:
1081 HexagonInstrInfo::DefinesPredicate(MachineInstr *MI,
1082 std::vector<MachineOperand> &Pred) const {
1083 for (unsigned oper = 0; oper < MI->getNumOperands(); ++oper) {
1084 MachineOperand MO = MI->getOperand(oper);
1085 if (MO.isReg() && MO.isDef()) {
1086 const TargetRegisterClass* RC = RI.getMinimalPhysRegClass(MO.getReg());
1087 if (RC == Hexagon::PredRegsRegisterClass) {
1099 SubsumesPredicate(const SmallVectorImpl<MachineOperand> &Pred1,
1100 const SmallVectorImpl<MachineOperand> &Pred2) const {
1107 // We indicate that we want to reverse the branch by
1108 // inserting a 0 at the beginning of the Cond vector.
1110 bool HexagonInstrInfo::
1111 ReverseBranchCondition(SmallVectorImpl<MachineOperand> &Cond) const {
1112 if (!Cond.empty() && Cond[0].isImm() && Cond[0].getImm() == 0) {
1113 Cond.erase(Cond.begin());
1115 Cond.insert(Cond.begin(), MachineOperand::CreateImm(0));
1121 bool HexagonInstrInfo::
1122 isProfitableToDupForIfCvt(MachineBasicBlock &MBB,unsigned NumInstrs,
1123 const BranchProbability &Probability) const {
1124 return (NumInstrs <= 4);
1127 bool HexagonInstrInfo::isDeallocRet(const MachineInstr *MI) const {
1128 switch (MI->getOpcode()) {
1129 case Hexagon::DEALLOC_RET_V4 :
1130 case Hexagon::DEALLOC_RET_cPt_V4 :
1131 case Hexagon::DEALLOC_RET_cNotPt_V4 :
1132 case Hexagon::DEALLOC_RET_cdnPnt_V4 :
1133 case Hexagon::DEALLOC_RET_cNotdnPnt_V4 :
1134 case Hexagon::DEALLOC_RET_cdnPt_V4 :
1135 case Hexagon::DEALLOC_RET_cNotdnPt_V4 :
1142 bool HexagonInstrInfo::
1143 isValidOffset(const int Opcode, const int Offset) const {
1144 // This function is to check whether the "Offset" is in the correct range of
1145 // the given "Opcode". If "Offset" is not in the correct range, "ADD_ri" is
1146 // inserted to calculate the final address. Due to this reason, the function
1147 // assumes that the "Offset" has correct alignment.
1151 case Hexagon::LDriw:
1152 case Hexagon::STriw:
1153 case Hexagon::STriwt:
1154 assert((Offset % 4 == 0) && "Offset has incorrect alignment");
1155 return (Offset >= Hexagon_MEMW_OFFSET_MIN) &&
1156 (Offset <= Hexagon_MEMW_OFFSET_MAX);
1158 case Hexagon::LDrid:
1159 case Hexagon::STrid:
1160 assert((Offset % 8 == 0) && "Offset has incorrect alignment");
1161 return (Offset >= Hexagon_MEMD_OFFSET_MIN) &&
1162 (Offset <= Hexagon_MEMD_OFFSET_MAX);
1164 case Hexagon::LDrih:
1165 case Hexagon::LDriuh:
1166 case Hexagon::STrih:
1167 case Hexagon::LDrih_ae:
1168 assert((Offset % 2 == 0) && "Offset has incorrect alignment");
1169 return (Offset >= Hexagon_MEMH_OFFSET_MIN) &&
1170 (Offset <= Hexagon_MEMH_OFFSET_MAX);
1172 case Hexagon::LDrib:
1173 case Hexagon::STrib:
1174 case Hexagon::LDriub:
1175 case Hexagon::LDriubit:
1176 case Hexagon::LDrib_ae:
1177 case Hexagon::LDriub_ae:
1178 return (Offset >= Hexagon_MEMB_OFFSET_MIN) &&
1179 (Offset <= Hexagon_MEMB_OFFSET_MAX);
1181 case Hexagon::ADD_ri:
1182 case Hexagon::TFR_FI:
1183 return (Offset >= Hexagon_ADDI_OFFSET_MIN) &&
1184 (Offset <= Hexagon_ADDI_OFFSET_MAX);
1186 case Hexagon::MEMw_ADDSUBi_indexed_MEM_V4 :
1187 case Hexagon::MEMw_ADDi_indexed_MEM_V4 :
1188 case Hexagon::MEMw_SUBi_indexed_MEM_V4 :
1189 case Hexagon::MEMw_ADDr_indexed_MEM_V4 :
1190 case Hexagon::MEMw_SUBr_indexed_MEM_V4 :
1191 case Hexagon::MEMw_ANDr_indexed_MEM_V4 :
1192 case Hexagon::MEMw_ORr_indexed_MEM_V4 :
1193 case Hexagon::MEMw_ADDSUBi_MEM_V4 :
1194 case Hexagon::MEMw_ADDi_MEM_V4 :
1195 case Hexagon::MEMw_SUBi_MEM_V4 :
1196 case Hexagon::MEMw_ADDr_MEM_V4 :
1197 case Hexagon::MEMw_SUBr_MEM_V4 :
1198 case Hexagon::MEMw_ANDr_MEM_V4 :
1199 case Hexagon::MEMw_ORr_MEM_V4 :
1200 assert ((Offset % 4) == 0 && "MEMOPw offset is not aligned correctly." );
1201 return (0 <= Offset && Offset <= 255);
1203 case Hexagon::MEMh_ADDSUBi_indexed_MEM_V4 :
1204 case Hexagon::MEMh_ADDi_indexed_MEM_V4 :
1205 case Hexagon::MEMh_SUBi_indexed_MEM_V4 :
1206 case Hexagon::MEMh_ADDr_indexed_MEM_V4 :
1207 case Hexagon::MEMh_SUBr_indexed_MEM_V4 :
1208 case Hexagon::MEMh_ANDr_indexed_MEM_V4 :
1209 case Hexagon::MEMh_ORr_indexed_MEM_V4 :
1210 case Hexagon::MEMh_ADDSUBi_MEM_V4 :
1211 case Hexagon::MEMh_ADDi_MEM_V4 :
1212 case Hexagon::MEMh_SUBi_MEM_V4 :
1213 case Hexagon::MEMh_ADDr_MEM_V4 :
1214 case Hexagon::MEMh_SUBr_MEM_V4 :
1215 case Hexagon::MEMh_ANDr_MEM_V4 :
1216 case Hexagon::MEMh_ORr_MEM_V4 :
1217 assert ((Offset % 2) == 0 && "MEMOPh offset is not aligned correctly." );
1218 return (0 <= Offset && Offset <= 127);
1220 case Hexagon::MEMb_ADDSUBi_indexed_MEM_V4 :
1221 case Hexagon::MEMb_ADDi_indexed_MEM_V4 :
1222 case Hexagon::MEMb_SUBi_indexed_MEM_V4 :
1223 case Hexagon::MEMb_ADDr_indexed_MEM_V4 :
1224 case Hexagon::MEMb_SUBr_indexed_MEM_V4 :
1225 case Hexagon::MEMb_ANDr_indexed_MEM_V4 :
1226 case Hexagon::MEMb_ORr_indexed_MEM_V4 :
1227 case Hexagon::MEMb_ADDSUBi_MEM_V4 :
1228 case Hexagon::MEMb_ADDi_MEM_V4 :
1229 case Hexagon::MEMb_SUBi_MEM_V4 :
1230 case Hexagon::MEMb_ADDr_MEM_V4 :
1231 case Hexagon::MEMb_SUBr_MEM_V4 :
1232 case Hexagon::MEMb_ANDr_MEM_V4 :
1233 case Hexagon::MEMb_ORr_MEM_V4 :
1234 return (0 <= Offset && Offset <= 63);
1236 // LDri_pred and STriw_pred are pseudo operations, so it has to take offset of
1237 // any size. Later pass knows how to handle it.
1238 case Hexagon::STriw_pred:
1239 case Hexagon::LDriw_pred:
1242 // INLINEASM is very special.
1243 case Hexagon::INLINEASM:
1247 assert(0 && "No offset range is defined for this opcode. Please define it in \
1248 the above switch statement!");
1253 // Check if the Offset is a valid auto-inc imm by Load/Store Type.
1255 bool HexagonInstrInfo::
1256 isValidAutoIncImm(const EVT VT, const int Offset) const {
1258 if (VT == MVT::i64) {
1259 return (Offset >= Hexagon_MEMD_AUTOINC_MIN &&
1260 Offset <= Hexagon_MEMD_AUTOINC_MAX &&
1261 (Offset & 0x7) == 0);
1263 if (VT == MVT::i32) {
1264 return (Offset >= Hexagon_MEMW_AUTOINC_MIN &&
1265 Offset <= Hexagon_MEMW_AUTOINC_MAX &&
1266 (Offset & 0x3) == 0);
1268 if (VT == MVT::i16) {
1269 return (Offset >= Hexagon_MEMH_AUTOINC_MIN &&
1270 Offset <= Hexagon_MEMH_AUTOINC_MAX &&
1271 (Offset & 0x1) == 0);
1273 if (VT == MVT::i8) {
1274 return (Offset >= Hexagon_MEMB_AUTOINC_MIN &&
1275 Offset <= Hexagon_MEMB_AUTOINC_MAX);
1278 assert(0 && "Not an auto-inc opc!");
1284 bool HexagonInstrInfo::
1285 isMemOp(const MachineInstr *MI) const {
1286 switch (MI->getOpcode())
1288 case Hexagon::MEMw_ADDSUBi_indexed_MEM_V4 :
1289 case Hexagon::MEMw_ADDi_indexed_MEM_V4 :
1290 case Hexagon::MEMw_SUBi_indexed_MEM_V4 :
1291 case Hexagon::MEMw_ADDr_indexed_MEM_V4 :
1292 case Hexagon::MEMw_SUBr_indexed_MEM_V4 :
1293 case Hexagon::MEMw_ANDr_indexed_MEM_V4 :
1294 case Hexagon::MEMw_ORr_indexed_MEM_V4 :
1295 case Hexagon::MEMw_ADDSUBi_MEM_V4 :
1296 case Hexagon::MEMw_ADDi_MEM_V4 :
1297 case Hexagon::MEMw_SUBi_MEM_V4 :
1298 case Hexagon::MEMw_ADDr_MEM_V4 :
1299 case Hexagon::MEMw_SUBr_MEM_V4 :
1300 case Hexagon::MEMw_ANDr_MEM_V4 :
1301 case Hexagon::MEMw_ORr_MEM_V4 :
1302 case Hexagon::MEMh_ADDSUBi_indexed_MEM_V4 :
1303 case Hexagon::MEMh_ADDi_indexed_MEM_V4 :
1304 case Hexagon::MEMh_SUBi_indexed_MEM_V4 :
1305 case Hexagon::MEMh_ADDr_indexed_MEM_V4 :
1306 case Hexagon::MEMh_SUBr_indexed_MEM_V4 :
1307 case Hexagon::MEMh_ANDr_indexed_MEM_V4 :
1308 case Hexagon::MEMh_ORr_indexed_MEM_V4 :
1309 case Hexagon::MEMh_ADDSUBi_MEM_V4 :
1310 case Hexagon::MEMh_ADDi_MEM_V4 :
1311 case Hexagon::MEMh_SUBi_MEM_V4 :
1312 case Hexagon::MEMh_ADDr_MEM_V4 :
1313 case Hexagon::MEMh_SUBr_MEM_V4 :
1314 case Hexagon::MEMh_ANDr_MEM_V4 :
1315 case Hexagon::MEMh_ORr_MEM_V4 :
1316 case Hexagon::MEMb_ADDSUBi_indexed_MEM_V4 :
1317 case Hexagon::MEMb_ADDi_indexed_MEM_V4 :
1318 case Hexagon::MEMb_SUBi_indexed_MEM_V4 :
1319 case Hexagon::MEMb_ADDr_indexed_MEM_V4 :
1320 case Hexagon::MEMb_SUBr_indexed_MEM_V4 :
1321 case Hexagon::MEMb_ANDr_indexed_MEM_V4 :
1322 case Hexagon::MEMb_ORr_indexed_MEM_V4 :
1323 case Hexagon::MEMb_ADDSUBi_MEM_V4 :
1324 case Hexagon::MEMb_ADDi_MEM_V4 :
1325 case Hexagon::MEMb_SUBi_MEM_V4 :
1326 case Hexagon::MEMb_ADDr_MEM_V4 :
1327 case Hexagon::MEMb_SUBr_MEM_V4 :
1328 case Hexagon::MEMb_ANDr_MEM_V4 :
1329 case Hexagon::MEMb_ORr_MEM_V4 :
1336 bool HexagonInstrInfo::
1337 isSpillPredRegOp(const MachineInstr *MI) const {
1338 switch (MI->getOpcode())
1340 case Hexagon::STriw_pred :
1341 case Hexagon::LDriw_pred :
1348 bool HexagonInstrInfo::isConditionalALU32 (const MachineInstr* MI) const {
1349 const HexagonRegisterInfo& QRI = getRegisterInfo();
1350 switch (MI->getOpcode())
1352 case Hexagon::ADD_ri_cPt:
1353 case Hexagon::ADD_ri_cNotPt:
1354 case Hexagon::ADD_rr_cPt:
1355 case Hexagon::ADD_rr_cNotPt:
1356 case Hexagon::XOR_rr_cPt:
1357 case Hexagon::XOR_rr_cNotPt:
1358 case Hexagon::AND_rr_cPt:
1359 case Hexagon::AND_rr_cNotPt:
1360 case Hexagon::OR_rr_cPt:
1361 case Hexagon::OR_rr_cNotPt:
1362 case Hexagon::SUB_rr_cPt:
1363 case Hexagon::SUB_rr_cNotPt:
1364 case Hexagon::COMBINE_rr_cPt:
1365 case Hexagon::COMBINE_rr_cNotPt:
1367 case Hexagon::ASLH_cPt_V4:
1368 case Hexagon::ASLH_cNotPt_V4:
1369 case Hexagon::ASRH_cPt_V4:
1370 case Hexagon::ASRH_cNotPt_V4:
1371 case Hexagon::SXTB_cPt_V4:
1372 case Hexagon::SXTB_cNotPt_V4:
1373 case Hexagon::SXTH_cPt_V4:
1374 case Hexagon::SXTH_cNotPt_V4:
1375 case Hexagon::ZXTB_cPt_V4:
1376 case Hexagon::ZXTB_cNotPt_V4:
1377 case Hexagon::ZXTH_cPt_V4:
1378 case Hexagon::ZXTH_cNotPt_V4:
1379 return QRI.Subtarget.getHexagonArchVersion() == HexagonSubtarget::V4;
1388 bool HexagonInstrInfo::
1389 isConditionalLoad (const MachineInstr* MI) const {
1390 const HexagonRegisterInfo& QRI = getRegisterInfo();
1391 switch (MI->getOpcode())
1393 case Hexagon::LDrid_cPt :
1394 case Hexagon::LDrid_cNotPt :
1395 case Hexagon::LDrid_indexed_cPt :
1396 case Hexagon::LDrid_indexed_cNotPt :
1397 case Hexagon::LDriw_cPt :
1398 case Hexagon::LDriw_cNotPt :
1399 case Hexagon::LDriw_indexed_cPt :
1400 case Hexagon::LDriw_indexed_cNotPt :
1401 case Hexagon::LDrih_cPt :
1402 case Hexagon::LDrih_cNotPt :
1403 case Hexagon::LDrih_indexed_cPt :
1404 case Hexagon::LDrih_indexed_cNotPt :
1405 case Hexagon::LDrib_cPt :
1406 case Hexagon::LDrib_cNotPt :
1407 case Hexagon::LDrib_indexed_cPt :
1408 case Hexagon::LDrib_indexed_cNotPt :
1409 case Hexagon::LDriuh_cPt :
1410 case Hexagon::LDriuh_cNotPt :
1411 case Hexagon::LDriuh_indexed_cPt :
1412 case Hexagon::LDriuh_indexed_cNotPt :
1413 case Hexagon::LDriub_cPt :
1414 case Hexagon::LDriub_cNotPt :
1415 case Hexagon::LDriub_indexed_cPt :
1416 case Hexagon::LDriub_indexed_cNotPt :
1418 case Hexagon::POST_LDrid_cPt :
1419 case Hexagon::POST_LDrid_cNotPt :
1420 case Hexagon::POST_LDriw_cPt :
1421 case Hexagon::POST_LDriw_cNotPt :
1422 case Hexagon::POST_LDrih_cPt :
1423 case Hexagon::POST_LDrih_cNotPt :
1424 case Hexagon::POST_LDrib_cPt :
1425 case Hexagon::POST_LDrib_cNotPt :
1426 case Hexagon::POST_LDriuh_cPt :
1427 case Hexagon::POST_LDriuh_cNotPt :
1428 case Hexagon::POST_LDriub_cPt :
1429 case Hexagon::POST_LDriub_cNotPt :
1430 return QRI.Subtarget.getHexagonArchVersion() == HexagonSubtarget::V4;
1431 case Hexagon::LDrid_indexed_cPt_V4 :
1432 case Hexagon::LDrid_indexed_cNotPt_V4 :
1433 case Hexagon::LDrid_indexed_shl_cPt_V4 :
1434 case Hexagon::LDrid_indexed_shl_cNotPt_V4 :
1435 case Hexagon::LDrib_indexed_cPt_V4 :
1436 case Hexagon::LDrib_indexed_cNotPt_V4 :
1437 case Hexagon::LDrib_indexed_shl_cPt_V4 :
1438 case Hexagon::LDrib_indexed_shl_cNotPt_V4 :
1439 case Hexagon::LDriub_indexed_cPt_V4 :
1440 case Hexagon::LDriub_indexed_cNotPt_V4 :
1441 case Hexagon::LDriub_indexed_shl_cPt_V4 :
1442 case Hexagon::LDriub_indexed_shl_cNotPt_V4 :
1443 case Hexagon::LDrih_indexed_cPt_V4 :
1444 case Hexagon::LDrih_indexed_cNotPt_V4 :
1445 case Hexagon::LDrih_indexed_shl_cPt_V4 :
1446 case Hexagon::LDrih_indexed_shl_cNotPt_V4 :
1447 case Hexagon::LDriuh_indexed_cPt_V4 :
1448 case Hexagon::LDriuh_indexed_cNotPt_V4 :
1449 case Hexagon::LDriuh_indexed_shl_cPt_V4 :
1450 case Hexagon::LDriuh_indexed_shl_cNotPt_V4 :
1451 case Hexagon::LDriw_indexed_cPt_V4 :
1452 case Hexagon::LDriw_indexed_cNotPt_V4 :
1453 case Hexagon::LDriw_indexed_shl_cPt_V4 :
1454 case Hexagon::LDriw_indexed_shl_cNotPt_V4 :
1455 return QRI.Subtarget.getHexagonArchVersion() == HexagonSubtarget::V4;